Home / 2,945,331.20-4,414,886.40-1,680,435.20

Finding the Fourth Proportional to 2,945,331.20, 4,414,886.40 and 1,680,435.20

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Solution

The fourth proportional to 2,945,331.20, 4,414,886.40 and 1,680,435.20 is: 2,518,878.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945,331.20 : 4,414,886.40 = 1,680,435.20 : x
  2. Step 2: Convert to fraction form
    2,945,331.20/4,414,886.40 = 1,680,435.20/x
  3. Step 3: Cross multiply
    2,945,331.20x = 4,414,886.40 × 1,680,435.20
  4. Step 4: Simplify right side
    2,945,331.20x = 7,418,930,510,561.28
  5. Step 5: Solve for x
    x = 7,418,930,510,561.28/2,945,331.20
  6. Step 6: Final answer
    x = 2,518,878.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.